• Open Source Developer since 2005

  • eXist-db

  • CSV Schema + CSV Validator

  • RESTXQ

  • RocksDB

  • Task.xq

  • Many other small projects and contributions

  • Philosophy - fix it and send it upstream

• Recently developed FusionDB

  • Would like to Open Source it

  • Need to pay the bills

  • Need to ensure the future of FusionDB software

• Originally we envisaged...

  • Dual License:

    • AGPLv3 - Gives us our "Open Source" and Freedom

    • Commercial License - Indemnity for companies that can't swallow AGPL

  • Would like to avoid "Open Core"

• Things have changed...

• CockroachDB

  • Switched core from Apache to BSL 1.1 (04/06/19)

• Dgraph

  • From Apache to AGPL (26/03/2017)

  • ... then to Apache + Commons Clause (03/04/18)

  • ... then back to Apache (11/10/18)

• Elastic

  • Originally Apache licensed

  • Elastic NV mixes Apache and Elastic Licence code in repository and builds (06/18)

  • AWS (+Netflix +Expedia) launch "Open Distro for Elasticsearch" - Apache v2 - (11/03/19)

• InfluxDB

  • Clustering - From MIT to Enterprise License (05/04/16)

• Kafka (Confluent)

  • From Apache to Confuent Community License (14/12/2018)

• MariaDB

  • MaxScale etc - From GPL to BSL 1.0 (16/08/2016)

• MongoDB

  • From APGL to SSPL (06/10/2018)

• Neo4j (Enterprise)

  • From Commercial/AGPL to Commercial/AGPL+Commons Clause (13/05/2018)

  • ... then to Neo4j Commercial License (15/11/2018)

• Redis (Modules)

  • From AGPL to Apache + Commons Clause (22/08/2018)

  • ... then to Redis Source Available Licence (22/02/2019)

  • NOTE: Core is still BSD. Redis Enterprise is entrierly proprietary

• RocksDB

  • from BSD3 + Patent Grant, to dual Apache 2.0 or GPLv2 (16/07/17)

• Vendors

  • Trying to find a viable business model

  • Several squarely blaming large Cloud Vendors

• Cloud Vendors

  • Blaming Open Source Vendors for Closing Licenses

• Users

  • Where are they?

  • How can they be heard?

  • Vote with feet?

• Open Source databases are dead?!?

• Source Available / Commons Clause

  • Not Open Source!!!

  • What are your rights?

• Open Core

  • Open Source Core

  • Closed or Source Available addons/features. Do you need them?

• Where/Who is the community?

fusiondb.com